<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CSS层叠性</title>
<style type="text/css">
p{ font-size:12px; font-family:"微软雅黑";}
.special{ font-size:16px;}
#one{ color:red;}
</style>
</head>
<body>
<p class="special" id="one">段落文本1</p>
<p>段落文本2</p>
<p>段落文本3</p>
</body>
</html>
